exceptions collection: don't visit anonymous class body (IDEA-198967)

simple visit of expression list doesn't work as walking visitor starts to go down when it starts an element and element has no children

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/exceptionHighlighting/IgnoreExceptionThrownInAnonymous.java

@@ -0,0 +1,30 @@
+import java.io.IOException;
+import java.util.concurrent.Callable;
+
+class MyTest {
+  public static void main() {
+    try {
+      new Callable() {
+        @Override
+        public Object call() throws IOException {
+          throw new IOException();
+        }
+      };
+      
+      new Foo("") {
+        @Override
+        public Object call() throws IOException {
+          throw new IOException();
+        }
+      };
+    }
+    catch (Exception e) {
+      throw e;
+    }
+  }
+  
+  static abstract class Foo implements Callable {
+    protected Foo(Object o) {
+    }
+  }
+}